Evaluate the Competitiveness and Usefulness of Mixed Potato and Local Bean Cultivation in the City of Sarab

This experiment was performed as a randomized complete block design during years 2019-2020. In mixed and pure crops, potatoes with a density of 53,300 plants per hectare and beans were planted on ridges and at intervals of potato plants in 3 different densities of 53,300, 106600 and 159900 plants per hectare. The net bean density was 444,500 plants per hectare. In this study, potato tuber yield and bean seed yield were statistically significant. The average yield of potatoes in mixed crops was 42175 kg / ha and in net cultivation was 45579 kg / ha and the average yield of bean seeds in mixed crops was 909.55 kg / ha and in the first to third densities were 834.33 / 67, respectively. 941 and 952.67 kg/ha were obtained. The land parity ratio was more than one in most mixed cultivation patterns. The highest land equality ratio of 1.218 belonged to the first bean density treatment and the lowest amount belonged to the third bean density (1.069). Potato dominance index compared to beans in the first and second density treatments was evaluated positively and this indicates its dominance. Among the different patterns of intercropping, the highest utility was observed in the first density of beans. The positive of most indicators indicates the beneficial effect of potatoes and beans on each other and the usefulness of their mixed cultivation.